<html>
<head>
  <title>Test for Bug 556645</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script>
SimpleTest.waitForExplicitFinish();
addLoadEvent(runTest);

function runTest()
{
  var obj = document.getElementById("obj");
  var childDoc = obj.contentDocument;
  var body = childDoc.body;
  is(document.activeElement, document.body, "focus in parent before");
  is(childDoc.activeElement, body, "focus in child before");

  var button = childDoc.getElementsByTagName("button")[0];
  button.focus();
  childDoc.defaultView.focus();
  is(document.activeElement, obj, "focus in parent after focus()");
  is(childDoc.activeElement, button, "focus in child after focus()");

  button.blur();
  var pbutton = document.getElementById("pbutton");
  pbutton.focus();

  synthesizeKey("VK_TAB", { });
  is(document.activeElement, obj, "focus in parent after tab");
  is(childDoc.activeElement, childDoc.documentElement, "focus in child after tab");

  synthesizeKey("VK_TAB", { });
  is(document.activeElement, obj, "focus in parent after tab 2");
  is(childDoc.activeElement, button, "focus in child after tab 2");

  SimpleTest.finish();
}

</script>

<button id="pbutton">Parent</button>
<object id="obj" type="text/html"
        data="data:text/html,%3Cbody%3E%3Cbutton%3EChild%3C/button%3E%3C/body%3E"
        width="200" height="200"></object>

</body>
</html>
